package com.baomidou.mybatisplus.example.generator;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.InjectionConfig;
import com.baomidou.mybatisplus.generator.config.DataSourceConfig;
import com.baomidou.mybatisplus.generator.config.FileOutConfig;
import com.baomidou.mybatisplus.generator.config.GlobalConfig;
import com.baomidou.mybatisplus.generator.config.PackageConfig;
import com.baomidou.mybatisplus.generator.config.StrategyConfig;
import com.baomidou.mybatisplus.generator.config.TemplateConfig;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;

public class MysqlGenerator
{

	public static String scanner(String tip)
	{
		@SuppressWarnings("resource")
		Scanner scanner = new Scanner(System.in);
		StringBuilder help = new StringBuilder();
		help.append("请输入" + tip + ":");
		System.out.println(help.toString());
		if (scanner.hasNext())
		{
			String ipt = scanner.next();
			if (StringUtils.isNotEmpty(ipt))
			{
				return ipt;
			}
		}
		throw new MybatisPlusException("请输出正确的" + tip + "!");
	}

	public static void main(String[] args)
	{
		// 代码生成器
		AutoGenerator mpg = new AutoGenerator();

		// 全局配置
		GlobalConfig gc = new GlobalConfig();
		String projectPath = System.getProperty("user.dir");
		gc.setOutputDir(projectPath + "/mybatis-plus-example-generator/src/main/java");
		gc.setAuthor("jobob");
		gc.setOpen(false);
		mpg.setGlobalConfig(gc);

		// 数据源配置
		DataSourceConfig dsc = new DataSourceConfig();
		dsc.setUrl("jdbc:mysql://localhost:3306/mldn?useUnicode=true&useSSL=false&characterEncoding=utf8");
		dsc.setDriverName("com.mysql.jdbc.Driver");
		dsc.setUsername("renren");
		dsc.setPassword("123456");
		mpg.setDataSource(dsc);

		// 包配置
		PackageConfig pc = new PackageConfig();
		pc.setModuleName(scanner("模块名"));
		pc.setParent("com.baomidou.mybatisplus.example.generator");
		mpg.setPackageInfo(pc);

		// 自定义配置
		InjectionConfig cfg = new InjectionConfig()
		{

			@Override
			public void initMap()
			{
				// TODO Auto-generated method stub

			}
		};

		List<FileOutConfig> focList = new ArrayList<>();
		focList.add(new FileOutConfig("/templates/mapper.xml.ftl")
		{
			@Override
			public String outputFile(TableInfo tableInfo)
			{
				// 自定义输入文件名称
				return projectPath + "/mybatis-plus-example-generator/src/main/resources/mapper/" + pc.getModuleName()
						+ "/" + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;
			}
		});
		cfg.setFileOutConfigList(focList);
		mpg.setCfg(cfg);
		mpg.setTemplate(new TemplateConfig().setXml(null));

		// 策略配置
		StrategyConfig strategy = new StrategyConfig();
		strategy.setNaming(NamingStrategy.underline_to_camel);
		strategy.setColumnNaming(NamingStrategy.underline_to_camel);
		strategy.setSuperEntityClass("com.baomidou.mybatisplus.example.generator.common.BaseEntity");
		strategy.setEntityLombokModel(true);
		strategy.setSuperControllerClass("com.baomidou.mybatisplus.example.generator.common.BaseController");
		strategy.setInclude(scanner("表名"));
		strategy.setSuperEntityColumns("id");
		strategy.setControllerMappingHyphenStyle(true);
		strategy.setTablePrefix(pc.getModuleName() + "_");
		mpg.setStrategy(strategy);
		// 选择 freemarker 引擎需要指定如下加，注意 pom 依赖必须有！
		mpg.setTemplateEngine(new FreemarkerTemplateEngine());
		mpg.execute();

	}
}
